Whittaker, C. R. (1997). Frontiers of the Roman Empire: A social and economic study. Baltimore, Maryland: The Johns Hopkins University Press.
Chicago Stili AlıntıWhittaker, C. R. Frontiers of the Roman Empire: A Social and Economic Study. Baltimore, Maryland: The Johns Hopkins University Press, 1997.
MLA AlıntıWhittaker, C. R. Frontiers of the Roman Empire: A Social and Economic Study. Baltimore, Maryland: The Johns Hopkins University Press, 1997.
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